Fuel Pump O-Ring 18-24 Ford 5.0L

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SKU:M77D33730 ,UPC:

SKU: M77D33730

UPC: 639789311542

MPN: D33730

Info

SKU:
M77D33730
UPC:
639789311542
MPN:
D33730

Description

The Fuel Pump O-Ring 18-24 Ford 5.0L is a critical OEM-spec replacement seal engineered for in-tank fuel pump assemblies on modern Ford EcoBoost and naturally aspirated 5.0L engines. Whether you're rebuilding a fuel pump after high-mileage service, addressing a fuel leak at the pump housing, or restoring fuel system integrity after modification work, this precision elastomer ring maintains the pressure-tight seal your fuel delivery system demands. Mechanics and DIY enthusiasts rely on MAHLE ORIGINAL/CLEVITE components because fuel system leaks compromise both performance and safety.

This O-ring measures 1.19 inches in inner diameter with a 2.12-inch outer diameter and carries a 0.106-inch cross-section thickness, engineered to nest precisely in the fuel pump mounting flange or cover. The rubber composition resists ethanol-blended fuels and thermal cycling, maintaining elasticity across cold starts and high-load cruising. Unlike gaskets that compress and degrade, the O-ring's toroidal geometry creates a dynamic seal that adapts to minor surface irregularities while withstanding fuel system pressures typical of Ford's returnless and return-style fuel systems. MAHLE ORIGINAL manufacture ensures dimensional accuracy and material consistency—critical when tolerances are tight and fuel leaks risk engine bay contamination or worse.

Installers working on 2018–2024 Ford 5.0L applications—including Mustang, F-150, and other platform variants—will find this O-ring essential during fuel pump replacement, assembly disassembly, or rebuild sequences. Installation requires only careful seating in the groove; no adhesives or sealants needed. Technicians upgrading to higher-flow fuel pumps or addressing pressure irregularities should always replace the O-ring as part of the job, since aged seals invite micro-leaks that compromise fuel pressure stability and ignition timing response. Keep this component on hand whenever fuel system work is planned.

SpecificationDetail
Brand
MAHLE ORIGINAL/CLEVITE
MPN / Part Number
D33730
UPC
639789311542
SKU
M77D33730
Weight
0.023 lbs
Dimensions
5 x 0.005 x 8 in
Application
2018–2024 Ford 5.0L Fuel Pump
Inner Diameter
1.19 inches
Outer Diameter
2.12 inches
Cross-Section Thickness
0.106 inches
Material
Rubber (Ethanol-Resistant)
Type
Fuel Pump O-Ring
Quantity
Each

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